Gaskets and Seals
Circle Track Gaskets & Seals for SBC Engines & Rear Hubs at JJ Motorsports
Maintain peak performance and prevent leaks in your circle track racer with premium gaskets and seals from JJ Motorsports. Our selection includes head gaskets, valve cover gaskets, water pump gaskets, hub seals, and more, designed for late models, modifieds, street stocks, and IMCA dirt racing. Compatible with Small Block Chevy (SBC) engines and various rear hubs, these durable components ensure reliable sealing under high-pressure racing conditions.
Shop trusted brands like Fel-Pro and Moroso. Explore related categories such as circle track engines and components for power upgrades or circle track drivetrain for transmission enhancements.
Top Circle Track Gaskets and Seals Products
- Fel-Pro SBC Head Gasket Cast or Aluminum 1003 – Cylinder head gasket with 4.166 in bore and 0.041 in compression thickness, made of steel core laminate with KEVLAR fiber for strength; withstands up to 1,000 hp and 1500-3000 psi, anti-stick coating for perfect seal.
- Moroso Sb Chevy V. C. Gaskets 93020 – New valve cover gaskets designed for Small Block Chevy engines, ensuring reliable sealing and durability in racing applications.
- Fel-Pro Sbc Water Pump To Block 5152 – Gasket for Small Block Chevrolet water pump to block applications, providing a secure seal to prevent coolant leaks.
- 5 X 5 Rear Hub Bearing Seal 2-1/2in Pin Rear GN Grand National 2.5in Pin PAIR – Hub bearing seals for dirt race cars, made of rubber/steel; compatible with AFCO, Allstar, SCP, Winters 2-1/2 in Pin 5x5 hubs; sold as a pair.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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4.125 MLS Head Gasket .051 - GM LSX LH C5934-051
COMETIC
$87.95A quality head gasket is the foundation of any reliable engine build—seal failure leads to coolant loss, compression leaks, and catastrophic damage. This 4.125" MLS gasket is engineered for GM LSX applications where precision bore matching and consistent...CAGC5934-051- SKU:
- CAGC5934-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
4.125 MLS Head Gasket .051 - GM LSX RH C5933-051
COMETIC
$87.95A head gasket failure can sideline your build and cost you thousands in machine shop fees. This MLS gasket delivers the sealing reliability you need for forced-induction and high-boost LSX applications, maintaining consistent compression and preventing...CAGC5933-051- SKU:
- CAGC5933-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$87.95 -
4.150 MLS Head Gasket .051 - GM LS7 C5889-051
COMETIC
$96.54A compromised head gasket is a silent killer—it bleeds coolant, destroys compression, and can turn a solid build into a costly rebuild. The 4.150 MLS Head Gasket is engineered to handle the extreme pressures and temperatures of high-performance LS7...CAGC5889-051- SKU:
- CAGC5889-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$96.54 -
4.150 MLS Head Gasket .040 - GM LS7 C5889-040
COMETIC
$96.54A head gasket failure can cost you an engine and race day. This OEM-equivalent MLS gasket is engineered to withstand the extreme combustion pressures of forced induction and high-RPM applications while maintaining a reliable seal across thermal cycles...CAGC5889-040- SKU:
- CAGC5889-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$96.54 -
4.060 MLS Head Gasket .051 - GM LS C5751-051
COMETIC
$87.95A proper head gasket is non-negotiable for LS engine reliability—it's the critical seal between your cylinder head and block that prevents combustion pressure loss and coolant intrusion. This 4.060" MLS gasket is engineered to withstand high boost...CAGC5751-051- SKU:
- CAGC5751-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$87.95 -
4.060 MLS Head Gasket .040 - GM LS1 C5751-040
COMETIC
$87.95A head gasket is your engine's critical seal between the cylinder head and block—any compromise here means coolant mixing with oil, loss of compression, and catastrophic engine failure. This 4.060" MLS gasket is engineered specifically for GM LS1...CAGC5751-040- SKU:
- CAGC5751-040
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$87.95 -
4.060 MLS Head Gasket .030 - GM LS1 C5751-030
COMETIC
$87.95A head gasket is your engine's critical seal against compression loss, coolant leaks, and catastrophic failure. The 4.060 MLS design delivers the clamping force and durability required for high-boost LS1 applications, whether you're running stock power...CAGC5751-030- SKU:
- CAGC5751-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$87.95 -
4.155 MLS Head Gasket .051 - SBF C5515-051
COMETIC
$92.35A quality head gasket is the foundation of a reliable, high-compression engine—and this 4.155 MLS unit is engineered for Small Block Ford applications that demand precision sealing under extreme conditions. Whether you're rebuilding a race engine or...CAGC5515-051- SKU:
- CAGC5515-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$92.35 -
4.155 MLS Head Gasket .027 - SBF C5515-027
COMETIC
$87.95A properly sealed combustion chamber is non-negotiable for any serious Small Block Ford build. This MLS head gasket delivers consistent compression sealing across multiple heat cycles, preventing blow-by and maintaining peak power output. Whether you're...CAGC5515-027- SKU:
- CAGC5515-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$87.95 -
4.080 MLS Head Gasket .051 - SBF C5513-051
COMETIC
$92.35A quality head gasket is critical to maintaining cylinder pressure and preventing coolant/oil cross-contamination in your Small Block Ford engine. The 4.080 MLS design seals reliably under high combustion loads, whether you're running stock power or...CAGC5513-051- SKU:
- CAGC5513-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$92.35 -
4.060 MLS Head Gasket .051 - SBF C5512-051
COMETIC
$92.35A quality head gasket is non-negotiable for engine reliability, and this 4.060 MLS unit delivers the sealing integrity your Small Block Ford demands. Multi-layer steel construction resists blow-out and deformation under high combustion pressures,...CAGC5512-051- SKU:
- CAGC5512-051
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$92.35 -
4.060 MLS Head Gasket .040 - SBF C5512-040
COMETIC
$87.95A quality head gasket is the foundation of reliable engine sealing—it directly impacts combustion efficiency, oil circulation, and overall engine longevity. This MLS (Multi-Layer Steel) gasket delivers consistent compression sealing for Small Block Ford...CAGC5512-040- SKU:
- CAGC5512-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
4.060 MLS Head Gasket .027 - SBF C5512-027
COMETIC
$87.95A quality head gasket is the foundation of cylinder sealing integrity—without proper compression, you're leaving horsepower on the table and risking catastrophic engine failure. This 4.060 MLS head gasket delivers the durability and precision fit that...CAGC5512-027- SKU:
- CAGC5512-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$87.95 -
4.030 MLS Head Gasket .036 SBF C5511-036
COMETIC
$87.95A head gasket failure can sideline your engine before you know it—and rebuilding costs far exceed preventive maintenance. This 4.030 MLS head gasket delivers the reliable sealing you need for consistent compression and oil containment, whether you're...CAGC5511-036- SKU:
- CAGC5511-036
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
4.030 MLS Head Gasket .027 - SBF C5511-027
COMETIC
$87.95A quality head gasket is the foundation of engine reliability—seal degradation leads to coolant loss, compression leaks, and catastrophic failure. This 4.030 MLS gasket delivers the precise compression thickness and multi-layer steel construction...CAGC5511-027- SKU:
- CAGC5511-027
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$87.95 -
4.100 MLS Head Gasket .040 GM LS1/LS2/LS3/LS6 C5489-040
COMETIC
$87.95A head gasket is your engine's critical seal—it prevents coolant and oil from mixing with combustion chambers while maintaining compression integrity. This MLS (Multi-Layer Steel) gasket is engineered for LS-series engines that demand reliable sealing...CAGC5489-040- SKU:
- CAGC5489-040
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$87.95 -
Oil Pan Gasket Set SBC Stroker Clearence C5488-060
COMETIC
$35.30A quality oil pan gasket set is essential for preventing oil seepage and maintaining proper lubrication pressure in your Small Block Chevy stroker engine. Fiber gaskets in this kit provide reliable sealing without the brittleness of cork, while the...CAGC5488-060- SKU:
- CAGC5488-060
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$35.30Qty in Cart: 0Quantity:Price:$35.30Subtotal: -
4.155 MLS Head Gasket .051 - SBF SVO C5483-051
COMETIC
$92.35A properly sealed cylinder head is foundational to engine reliability and performance—any compression loss directly impacts power output and fuel efficiency. This 4.155 MLS head gasket is engineered for Small Block Ford applications where precision...CAGC5483-051- SKU:
- CAGC5483-051
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$92.35 -
4.080 MLS Head Gasket .051 - SBF SVO C5480-051
COMETIC
$92.35A quality head gasket is the foundation of any reliable engine build—it seals combustion pressure and prevents coolant leaks that can sideline your project. The 4.080 MLS head gasket from SVO delivers multi-layer steel construction that handles high...CAGC5480-051- SKU:
- CAGC5480-051
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$92.35 -
4.080 MLS Head Gasket .030 - SBF SVO C5480-030
COMETIC
$87.95A quality head gasket is the foundation of reliable cylinder sealing—without it, combustion pressure escapes, power output drops, and engine damage follows. The 4.080 MLS Head Gasket delivers consistent compression integrity across heat cycles, making it...CAGC5480-030- SKU:
- CAGC5480-030
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$87.95
